/*
 *  Copyright 2008-2010 NVIDIA Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

/*! \file copy.h
 *  \brief Host implementations of copy functions.
 */

#pragma once

#include <thrust/detail/host/dispatch/copy.h>
#include <thrust/detail/dispatch/is_trivial_copy.h>

namespace thrust {

namespace detail {

namespace host {


template < typename InputIterator,
         typename OutputIterator >
OutputIterator copy(InputIterator first,
                    InputIterator last,
                    OutputIterator result) {
    return thrust::detail::host::dispatch::copy(first, last, result,
            typename thrust::detail::dispatch::is_trivial_copy<InputIterator, OutputIterator>::type());
} // end copy()


template < typename InputIterator1,
         typename InputIterator2,
         typename OutputIterator,
         typename Predicate >
OutputIterator copy_if(InputIterator1 first,
                       InputIterator1 last,
                       InputIterator2 stencil,
                       OutputIterator result,
                       Predicate pred) {
    while (first != last) {
        if (pred(*stencil)) {
            *result = *first;
            ++result;
        } // end if

        ++first;
        ++stencil;
    } // end while

    return result;
} // end copy_if()

} // end host

} // end detail

} // end thrust

